#ifndef __DELAY_H__
#define __DELAY_H__

#include "stm32f4xx.h"
#include "key.h"

extern void delay(int time);
extern void delay_us(uint32_t time);
extern void delay_ms(uint32_t time);
extern void delay_ms_led(uint32_t time);
extern void delay_s(uint32_t time);

#endif
